• 한국임상수의학회지
• /
• 제32권1호
• /
• pp.127-129
• /
• 2015

A 3-month-old, female Persian cat was presented with sclera mass. The mass was detected after cat's squeals during the playing with a dog before 2 days. On ophthalmic examination, a $2{\times}5mm$ dark purple colored raised mass was observed 1 mm behind the limbus in the right eye. Anterior chamber was filled with blood and epithelial defect was detected at 2 o'clock in the right central cornea. After general anesthesia, resection of the protruded iris was performed with iris scissors and bipolar cautery. Ruptured sclera and conjunctiva were closed with simple interrupted and simple continuous suture, respectively. Also, irrigation and aspiration (I/A) of the anterior chamber was performed to remove blood clot with bimanual I/A handpiece in the right eye. Four months after the surgery, the right eye was recovered completely and menace response was positive in spite of the retinal lesions.

• 한국농공학회:학술대회논문집
• /
• 한국농공학회 2005년도 학술발표논문집
• /
• pp.164-169
• /
• 2005

It is design and manufacture which the rake operated in and out of water. Also irrigation test result of several times, the flux inside the waterway collects 0.15m/s to case below the dirt which is accumulated in the rake 30kg, difficulty was to examine closely the thing, it followed hereupon and the grade in the agriculture waterway flux inside the cursor waterway was quick, or, with water level in dirt removal it established in the irrigation facility downstream it will be able to increase a flux, very the possibility of getting an efficient power it is it knew.

• 한국환경과학회지
• /
• 제24권6호
• /
• pp.769-776
• /
• 2015

This study was conducted to determine the effects of high temperature and deficit irrigation on growth and yield of hot pepper. Hot pepper was subjected to four irrigation treatments: fully irrigation (FI), 10, 20, and 30 days deficit irrigation (DI) combination with high temperature treatment. Control plants were grown natural environment and conventional culture methods. The plant height treated with high temperature was significantly higher than that of control plant. At FI combination with high temperature treatment, growth parameters such as stem diameter, leaf area, fresh and dry weight were the greatest. The yield was the greatest (2,036 kg/10a) under control, DI combination with high temperature treatment decreased by approximately 42% compare with FI combination with high temperature treatment. The number of abnormal fruits was approximately 38/plant under control, which was the smallest and that of 30 days DI combination with high temperature was higher 3.3 times compare with control. Flower abscission and calcium deficiency induced by DI treatments, especially those physiological disorder promoted by increasing DI treatments period. Results indicated that yield of hot pepper reduced by DI treatments, these results suggest that the growers should irrigate to proper soil moisture for preventing reduction of total fruit yield.

• 한국물환경학회지
• /
• 제20권3호
• /
• pp.301-306
• /
• 2004

The present water quality standards for agricultural were established without considering the effects of water quality on the safety, growth, yield and quality of crops. This study was carried out to investigate the effects of irrigation water quality on the growth, yield, and grain quality of rice, and to acquire basic knowledges to set up water quality standards for irrigation. The field and pot experiments were conducted with irrigation water that was previously adjusted four concentrations (control, 5, 10, 20 mg/L) and six concentrations (control, 5, 10, 15, 20, 30 mg/L) by $NH_4NO_3$ solution and replicated three and four times with randomized block design, respectively. The results of this study showed that the inorganic nutrient of rice plant, rice protein contents and number of panicle tended to increase as the T-N concentration in irrigation water was increased. In addition, grain yield at T-N 10 mg/L and 20mg/L were significantly higher than the control at the field experiment. From the pot experiment at T-N 30 mg/L, the percentage of head rice was slightly lower due to the increase of green kernel and white belly/core kernel.

• 한국작물학회지
• /
• 제41권1호
• /
• pp.28-33
• /
• 1996

벼 건답직파재배에서 화성벼를 공시 종자조건, 파종후 복토 및 파종후 관개시기등을 달리한 파종방법 차이가 입모정도. 생육특성 및 수량에 미치는 영향을 검토하였던 결과는 다음과 같다. 1. 입모수는 파종후 관개배수를 하는 것이 입모후 담수를 하는 것보다 많았으며, 휴입세조파가 평면세조파후 무복토나 점파보다 많았다. 2. 파종후 관개배수가 위묘후 담수보다 출아일수는 6∼10일 짧았고, 출수기는 2∼3일 일렀다. 3. 경수는 생육초기에는 휴입세조파와 평면세조파후 복토(관행 : 건종자로 평면세조파 후 복토를 하고 입모후 담수를 한 파종방법)에서 많았으나, 유수형성기 이후의 경수 및 수수는 평면세조파후 무복토(침종종자로 평면세조파후 복토를 하지 않고 파종직후 관개배수를 한 파종방법)에서 가장 많았다. 4. 도복지수는 휴입세조파가 점파나 평면세조파보다 약간 높았고, 포장도복은 휴입세조파와 평면세조파 무복토에서 1 정도의 가벼운 도복이 발생되었다. 5. 쌀 수량은 관행인 평면세조파후 복토(5.35t/ha)보다 평면세조파후 무복토에서 7％ 증수되었다.

• 한국약용작물학회지
• /
• 제22권5호
• /
• pp.391-397
• /
• 2014

To control the disease of root rot in ginseng nursery, inorganic sulfur solution of 0.1%, 1.0%, and 2.0% were irrigated by amount of $10{\ell}$ per $3.3m^2$ before sowing. On the last ten days of July, Fusarium solani and F. oxysporum were similarly detected by 44.8% and 43.8%, respectively, while Cylindrocarpon destructans was low detected by 4.4% in the diseased seedling. The more sulfur's concentration was increased, the more soil pH was decreased. Soil pH was decreased from 5.87 to 4.59 by the irrigation of sulfur solution of 1.0%. The more sulfur's concentration was increased, the more electrical conductivity (EC) of soil was increased. EC was increased from 0.27 dS/m to 1.28 dS/m by the irrigation of sulfur solution of 1.0%. Irrigation of sulfur solution was effective on the inhibition of damping-off caused by Rhizoctonia solani in ginseng seedling. Control value for damping-off by the irrigation of sulfur solution of 1.0% and 2.0% were 75.7%, and 78.5%, respectively. Growth of leaf was inhibited by the irrigation of sulfur solution of 2.0%. Root weight per $3.3m^2$ showed the peak in sulfur solution of 1.0%, while survived-root ratio and root weight per plant were decreased in the level of 2.0%. Survived-root ratio of seedling in sulfur solution of 1.0% was distinctly increased by 4.7 times compare to the control, but control value for root rot was relatively low as 49.2%. Mycelium growth of C. destructans, F. solani, and R. solani were distinctly inhibited by the increase of sulfur's concentration in vitro culture using PDA medium.

• 한국농림기상학회지
• /
• 제2권4호
• /
• pp.143-147
• /
• 2000

벼 휴립건답직파 절수재배시 적정 파종량을 알아보고자 1997년~1998년까지 2년간에 걸쳐 전북통(미사질양토)에서 동진벼를 공시하여 파종량을 표준인 60kg/ha부터 2kg/ha씩 증파하여 120kg/ha까지 파종하여 시험한 결과를 요약하면 다음과 같다. 1. 벼 재배기간중 강수량은 평 915.8 mm였고 관개용수량은 258.75 mm로 1회 관개마다 34.5 mm를 관개하였다. 2. 입모수는 파종량이 많을수록 많았으나 입모율은 반대 경향이었다. 3. 엽면적지수는 파종량이 많을수록 높았고, 지상부건물중도 파종량이 많을수록 무거웠다. 4. 토양수분장력은 관개를 중단한 1일후에는 -2kPa 이었으나 그 후 계속 낮아져 5일후에는 -30kPa이었다. 5. 파종랑이 많을수록 간장+수장이 길어 도복지수가 높았으나 포장도복은 모두 일어나지 않았다. 6. 출수기는 처리간에 차이가 없었으며, 등숙비율과 현미천립중은 비슷하였고 m$^2$당 립수는 100kg/ha 파종에서 가장 많아 쌀수량은 파종량 100 kg/ha에서 표준(60kg/ha)대비 9% 증수하였으며, 80kg/ha과 120kg/ha에서는 4% 증수 되었다. 따라서 벼 휴립건답직파 절수재배시 적정 파종량은 100 kg/ha이라고 생각된다.

• 한국조경학회지
• /
• 제46권1호
• /
• pp.96-105
• /
• 2018

허브식물을 이용한 옥상녹화시 관수를 실시한 처리구에서 좋은 생육특성을 보인 허브식물은 애플민트, 레몬밤, 스피아민트, 파인애플세이지, 초코민트, 옥스아이데이지, 캐모마일 및 타임이었다. 반면, 무관수 처리구에서 좋은 생육특성을 보인 허브식물은 페퍼민트, 장미허브 및 피버퓨였다. 관수에 따른 생장에 차이가 없는 허브식물은 라벤다, 로즈마리, 탠지, 레몬버베나, 헬리오트로프, 소프워트 및 레이디스맨틀이었다. 관수 및 무관수 처리가 허브식물의 생장에 미치는 영향과 최대 광합성 효율을 조사한 결과, 관수처리 시 생장이 증가하고 최대광합성효율이 증가한 허브식물로는 초코민트, 스피아민트, 레몬밤, 애플민트 등으로 나타났다. 무관수시 생장이 증가하고 최대광합성효율이 증가한 허브식물로는 페퍼민트와 탠지였으며, 장미허브는 무관수시 생장은 증가한 반면 최대 광합성효율은 감소하여 스트레스를 많이 받는 것으로 생각되었다. 또한, 관수 및 무관수 처리에 따른 생장 차이가 없으나, 최대 광합성효율이 증가한 허브는 로즈마리와 소프워트였으며, 레몬버베나, 피버퓨, 헬리오트로프 등은 관수 및 무관수에 따른 생장 차이가 없고, 최대 광합성 효율 역시 큰 차이가 없는 것으로 나타났다. 초코민트와 페퍼민트는 중부지방에서 월동 가능함과 동시에 겨울에도 잎이 지지 않고 상록으로 유지되어 옥상녹화에 적합한 식물이라고 생각되었다. 반면, 장미허브, 파인애플세이지, 애플민트는 추위에 약하고 월동이 안 되어서 옥상녹화에 부적합한 것으로 생각되었다. 스피어민트와 레몬밤은 엽색의 변화와 동해 피해로 인해 관상가치는 떨어졌으나, 월동이 가능하기 때문에 옥상녹화에 어느 정도 적용 가능한 식물로 판단되었다. 중부지방에서 활용 가능한 저관리형 옥상녹화용 허브식물로는 무관수시 생장이 증가하고 월동이 가능한 페퍼민트와 탠지가 저관리형 옥상녹화용 식물로 가장 적합한 것으로 나타났으며, 레몬버베나, 소프위트 및 레이디스맨틀도 중부지방에서 옥상녹화용 허브식물로 활용 가능한 것으로 판단되었다.

• 농업생명과학연구
• /
• 제44권5호
• /
• pp.129-135
• /
• 2010

기존의 타이머제어법과 일사량제어법 (ISR), 수분장력이나 수분함량센서를 사용하는 방법이 아닌 새로운 저가 정밀 급액관리법을 개발하고자 수행하였다. 본 논문은 배액전극제어법 (집액용기 안의 배액 높이에 따라 설정된 센서에 의해 급액)의 급액제어 기술을 개발하여 경제성과 환경문제를 고려할 수 있는 효율적인 급액관리 시작기를 개발하고자 하였다. 제작된 고형배지경 급액관리기 시작기의 특징은 재배틀과 수위센서 및 간단한 제어반에 의해 구성되어지며 암면, 펄라이트, 피트, 코이어 등 모든 고형배지경 수경재배에 적용할 수 있다. 장점은 저렴하고 제어원리가 간단하며 식물체와 직접적으로 연계되어 있어서 배지의 수분관리에 최적이며 유지보수가 용이하다는 점이다. 기계의 구성은 센서가 총 4개이며 4군데의 서로 다른 구역을 정하여 급액 제어할 수 있다. 센서의 형태는 2접점의 간단한 수위센서 이며 외부 배액수 위에 의한 On/Off 접점식이다. 급액단계를 3단계로 나누어 급액시간과 량을 조정할 수 있다.

• 한국농공학회논문집
• /
• 제60권3호
• /
• pp.1-13
• /
• 2018

Recently, the frequency and intensity of drought have been increasing due to the sudden abnormal climate in Korea. The occurrence of agricultural drought has been steadily increasing from 5 times in the 1980s to 2000s in 20 years, 6 times in the 10 years from 2000 to 2010, and 4 times in the recent period from 2011 to 2015. Therefore, this study analyzed the effect of water shortage caused by drought by improving the function of agricultural reservoir. The target area analyzed the data such as "Comprehensive Information System for Rural Water" operated by Korea Rural Community Corporation. As a result, we selected the target area as Wanju - gun, Jeollabuk - do in consideration of the rate of water storage compared with the normal 25 years, the completion year of the facility, the area of coverage per reservoir site and the low capacity. As a result of evaluating the improvement effect of agricultural facilities, it was analyzed that the irrigation area increased by about 25.7% when the water level was increased by 1m and the irrigation area increased by about 51.3% when the water level was increased by 2m. The results of the drought impact assessment after improving the function of the agricultural facilities were analyzed that it was effective to improve the function after more than 4m depth.